Davisite R130013

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Record 17 of 79  

Name: Davisite
RRUFF ID: R130013
Ideal Chemistry: CaScAlSiO6
Locality: Allende meteorite, Pueblito de Allende, Chihuahua, Mexico
Source: Chi Ma
Owner: Chi Ma
Description: Micro-sized crystals along with perovskite and spinel. Transparent with a light-gray color. Data from Ma & Rossman (2009)
Status: The identification of this mineral is confirmed by electron back-scatter diffraction and chemical analysis
Mineral Group: [ pyroxene (79) ]
CHEMISTRY 
RRUFF ID: R130013.2
Sample Description: Polished microprobe sample
Measured Chemistry: Ca0.99(Sc0.50Ti3+0.16Mg0.16Ti4+0.10 Zr0.04V3+0.02Fe2+0.01Y0.01)Σ=1.00(Si1.03Al0.97)Σ=2.00O6
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented sample
Instrument settings: Renishaw M1000 514nm @ 100% of 50mW
X Min:    X Max:    X Sort:
BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R130013
Wavelength:
Sample Description: Unoriented Raman
Instrument settings: Renishaw M1000 514nm @ 100% of 50mW
REFERENCES for Davisite

American Mineralogist Crystal Structure Database Record: [view record]

Ohashi H, Ii N (1978) Structure of calcium scandium aluminum silicate (CaScAlSiO6)-pyroxene, Journal of the Japanese Association of Mineralogists, Petrologists and Economic Geologists, 73, 267-273   [view file]

Williams P A, Hatert F, Pasero M (2008) New minerals approved in 2008, in International Mineralogical Association 1-13   [view file]

Ma C, Rossman G R (2009) Davisite, CaScAlSiO6, a new pyroxene from the Allende meteorite, American Mineralogist, 94, 845-848   [view file]